Potential bad gear box? - Page 3 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Allch Chcar · 02-24-2013, 01:32 PM

Quote:

Originally Posted by XPR Small Block

i think its the opposite with the oil same thing with motor oil colder it is the thinner it needs to be, hotter temps need thicker oils. think about it if the tranny is scratching the syncros when its cold is because the oil isnt able to expand enough to cover all the parts correctly when its warm the tranny is fully coated = fully functional trans

Yep, I got it backwards even after considering it. Lighter oil is better for colder temps.

weedtank · 02-25-2013, 12:53 AM

So is this a normal occurence? I have about 400 miles on my car so far and it grinds going from 1st to 2nd in the cold. Goes away when warmed up though..

XPR Small Block · 02-25-2013, 01:10 AM

sounds like its normal brake in but i still wouldnt want it scratching because thats added wear on the trans.. if it persists i would drain fluid an inspect it for any shavings. maybe change to a thinner fluid??? an also try an sync your rpm with your next gear selection maybe your dropping too many rpms before you ingauge the gear?/ not tryin to knock you just helpful tip..

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02-25-2013, 12:53 AM	#30
weedtank Member Join Date: Feb 2013 Drives: Ultramarine Location: CA Posts: 99 Thanks: 94 Thanked 41 Times in 13 Posts Mentioned: 0 Post(s)	So is this a normal occurence? I have about 400 miles on my car so far and it grinds going from 1st to 2nd in the cold. Goes away when warmed up though..

02-25-2013, 01:10 AM	#31
XPR Small Block Member Join Date: Feb 2013 Drives: Scion Frs Location: Santa Rosa, Ca Posts: 70 Thanks: 21 Thanked 9 Times in 8 Posts Mentioned: 0 Post(s)	sounds like its normal brake in but i still wouldnt want it scratching because thats added wear on the trans.. if it persists i would drain fluid an inspect it for any shavings. maybe change to a thinner fluid??? an also try an sync your rpm with your next gear selection maybe your dropping too many rpms before you ingauge the gear?/ not tryin to knock you just helpful tip..

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